Research Interests

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Department of Psychology

Project on Personal Growth and Life Experiences

My program of research involves several lines of inquiry:

 

Investigation of schizotypy and schizophrenia from experimental and developmental psychopathology perspectives. These studies focus on developing and testing symptom, trait, cognitive, biobehavioral, and genetic markers of schizophrenia and schizophrenia-spectrum disorders. This program of research traces its roots back to Paul Meehl's landmark work on schizophrenia and schizotypy and to the pioneering work on psychosis proneness by the Chapmans. Specifically, this work focuses on identifying individuals who are at risk for developing schizophrenia or related conditions. Current projects and publications include:

 

 

Assessment of Multidimensional Structure of Schizotypy – a major focus of our current work is the characterization and assessment of schizotypy as a multidimensional construct. Schizotypy (and by extension schizophrenia) are heterogeneous constructs that have a multidimensional structure that is associated with distinct patterns of etiology, psychopathology, and treatment response. We have recently developed the Multidimensional Schizotypy Scale (MSS) and the Multidimensional Schizotypy Scale-Brief (MSS-B). Click here for more information. Recent publications include:

 

Kwapil, T.R., Gross, G.M., Silvia, P.J., Raulin, M.L., & Barrantes-Vidal, N. (in press). Development and psychometric properites of the Multidimensional Schizotypy Scale: A new measure for assessing positive, negative, and disorganized schizotypy. Schizophrenia Research.

Gross, G.M., Mellin, J., Silvia, P.J., Barrantes-Vidal, N., & Kwapil, T.R. (2014). Comparing the factor structure of the Wisconsin Schizotypy Scales and the Schizotypal Personality Questionnaire. Personality Disorders: Theory, Research, and Treatment, 5, 397-405.

Kwapil, T.R., Ros-Morente, A., Silvia, P.J., & Barrantes-Vidal, N. (2012). Factor invariance of psychometric schizotypy in Spanish and American samples. Journal of Psychopathology and Behavioral Assessment, 34, 145-152.

Brown, L.H., Silvia, P.J., Myin-Germeys, I., Lewandowski, K.E., & Kwapil, T.R. (2008).  The relationship of social anxiety and social anhedonia to psychometrically identified schizotypy. Journal of Social and Clinical Psychology, 27, 127-149.

Kwapil, T.R., Barrantes-Vidal, N., & Silvia, P.J. (2008). The dimensional structure of the Wisconsin Schizotypy Scales: Factor identification and construct validity. Schizophrenia Bulletin, 34, 444-457.

Lewandowski, K.E., Barrantes-Vidal, N., Nelson-Gray, R.O., Clancy, C., Kepley, H.O., & Kwapil, T.R. (2006). Anxiety and depression symptoms in psychometrically identified schizotypy. Schizophrenia Research, 83, 225-235.

  

 

Nature and Expression of Schizotypy – my laboratory’s research includes studies examining the nature, development, and expression of schizotypy. Recent publications include:

Barrantes-Vidal, N., Grant, P., & Kwapil, T.R. (2015). The role of schizotypy in the study of the etiology of schizophrenia-spectrum disorders. Schizophrenia Bulletin, 41 (suppl 2): S408-S416 doi:10.1093/schbul/sbu191.

Kwapil, T.R., & Barrantes-Vidal, N. (2015). Schizotypy: Looking back and moving forward. Schizophrenia Bulletin, 41 (suppl 2): S366-S373 doi:10.1093/schbul/sbu186

Barrantes-Vidal, N., Gross, G., Sheinbaum, T., Mitjavila, M., Ballespi, S., & Kwapil, T.R. (2013). Positive and negative schizotypy are associated with prodromal and schizophrenia-spectrum symptoms. Schizophrenia Research, 145, 50-55.

Kwapil, T.R., & Barrantes-Vidal, N. (2012). Schizotypal personality disorder: An integrative review. In T.A. Widiger (Ed.), The Oxford Handbook of Personality Disorders (pp. 437-477). Oxford: University Press.

Silvia, P.J., & Kwapil, T.R. (2011). Aberrant asociality: How individual differences in social anhedonia illuminate the need to belong. Journal of Personality, 79, 1315-1332.

Barrantes-Vidal, N., Lewandowski, & Kwapil, T.R. (2010). Psychopathology, Social Adjustment and Personality Correlates of Schizotypy Clusters in a Large Non-clinical Sample. Schizophrenia Research, 122, 219-225.

Barrantes-Vidal, N., Morente, A.R., & Kwapil, T.R. (2009). Neuroticism as a moderating factor in the association of schizotypy dimensions and psychopathology in a non-clinical sample. Schizophrenia Research, 115, 303-309.

Kaczorowski, J.A., Barrantes-Vidal, N., & Kwapil, T.R. (2009). Neurological soft signs in psychometrically identified schizotypy. Schizophrenia Research, 115, 293-302.

 

 

Assessment of Schizotypy in Daily Life – a major focus of my research laboratory’s work has involved the use of experience sampling methodology to assess schizotypy in daily life. Recent papers and publications include:

Chun, C.A., Barrantes-Vidal, N., Sheinbaum, T., & Kwapil, T.R. (in press). Expression of schizophrenia-spectrum personality traits in daily life. Personality Disorders: Theory, Research, and Treatment.

Barrantes-Vidal, N., Chun, C., Myin-Germeys, I., & Kwapil, T.R. (2013). Psychometric schizotypy predicts the experience of psychotic-like, paranoid, and negative symptom experiences in daily life. Journal of Abnormal Psychology, 122, 1077-87.

Kwapil, T.R., Brown, L.H., Silvia, P.J., Myin-Germeys, I., & Barrantes-Vidal, N. (2012).  The expression of positive and negative schizotypy in daily life: An experience sampling study. Psychological Medicine, 42, 2555-2566.

Kwapil, T.R., Silvia, P.J., Myin-Germeys, I., Anderson, A.J., Coates, S.A., Brown, L.H. (2009). The social worlds of the socially anhedonic: Exploring the daily ecology of asociality. Journal of Research in Personality, 43, 103-106.

Kane, M.J., Meier, M.E., Smeekens, B.A., Gross, G.M., Chun, C.A., Silvia, P.J., & Kwapil, T.R. (in press). Individual differences in the executive control of attention, memory, and thought, and their associations with schizotypy. Journal of Experimental Psychology: General.

Brown, L.E., Silvia, P.J., Myin-Germeys, I., & Kwapil, T.R. (2007). When the need to belong goes wrong: the expression of social anhedonia and social anxiety in daily life. Psychological Science, 18, 778-782.

 

 

Schizotypy and Working Memory – My laboratory is currently collaborating with Profs. Michael Kane and Paul Silvia on an NIMH-funded project, Executive Control and Schizotypy in the Laboratory and Daily Life, that examines the working memory deficits in schizotypy in the laboratory and daily life. 

Kane, M.J., Meier, M.E., Smeekens, B.A., Gross, G.M., Chun, C.A., Silvia, P.J., & Kwapil, T.R. (in press). Individual differences in the executive control of attention, memory, and thought, and their associations with schizotypy. Journal of Experimental Psychology: General.

 

 

Longitudinal Assessment of Psychometric Schizotypes, At-Risk Mental State Patients, First-Episode Patients, and Relatives. My laboratory is collaborating with Prof. Neus Barrantes-Vidal at the Universitat Autònoma de Barcelona on a series of grant-funded studies examining environmental and genetic risk factors in the development of psychosis.

 

  

 

Investigation of Bipolar Spectrum Psychopathology. These studies examine the development and expression of hyperthymia and bipolar-spectrum disorders. This work focuses on a spectrum approach for understanding bipolar psychopathology, rather than relying on categorical diagnostic models. These studies integrate interview, questionnaire, and experience sampling assessments. Recent papers and publications include: 

Walsh, M.A., DeGeorge, D.P., Barrantes-Vidal, N., & Kwapil, T.R. (2015). A 3-year longitudinal study of risk for bipolar spectrum psychopathology. Journal of Abnormal Psychology, 124, 486-497.

DeGeorge, D.P., Walsh, M.A., Barrantes-Vidal, N., & Kwapil, T.R. (2014). A three-year longitudinal study of affective temperaments and risk for psychopathology. Journal of Affective Disorders, 164, 94-100.

Walsh, M.A., Brown, L.H., Barrantes-Vidal, N., & Kwapil, T.R. (2013). The expression of affective temperaments in daily life. Journal of Affective Disorders, 145 , 179–186.

Walsh, M.A., Royal, A.M., Barrantes-Vidal, N., & Kwapil, T.R. (2012). The association of affective temperaments with impairment and psychopathology in a young adult sample. Journal of Affective Disorders, 141, 373-381.

Walsh, M.A., Royal, A., Brown, L.H., Barrantes-Vidal, N., & Kwapil, T.R. (2012). Looking for bipolar spectrum psychopathology: Identification and expression in daily life. Comprehensive Psychiatry, 53, 409-421.

Kwapil, T.R., Barrantes-Vidal, N., Armistead, M.S., Hope, G.A., Brown, L.H., Silvia, P.J., & Myin-Germeys, I. (2011). The expression of bipolar spectrum psychopathology in daily life. Journal of Affective Disorders, 130, 166-170.

 

  

Assessment of psychopathology in daily life. In addition to the experience sampling studies of schizotypy and bipolar spectrum psychopathology listed above, we have conducted a variety of studies examine the expression of cognition, affect, personality, and psychopathology in daily life. Recent papers and publications include: 

Burgin, C.J., Silvia, P.J., Eddington, K., & Kwapil, T.R. (2013). Palm or cell? Comparing personal digital assistants and cell phones for experience sampling research. Social Science Computer Review, 31, 244-251.

Brown, L.H., Strauman, T.J., Barrantes-Vidal, N., & Kwapil, T.R. (2011). An experience sampling study of depressive symptoms and their social context. Journal of Nervous and Mental Disease, 199, 403-409.

Myin-Germeys, I., Birchwood, M., & Kwapil, T.R. (2011). From environment to therapy in psychosis: a real-world momentary assessment approach. Schizophrenia Bulletin, 37, 244-247.

Oorschot, M., Kwapil, T.R., Delespaul, P., & Myin-Germeys, I. (2009). Momentary assessment research in psychosis. Psychological Assessment, 21, 498-505.

Knouse, L., Mitchell, J.T., Brown, L.H., Silvia, P.J., Kane, M.J., Myin-Germeys, I., & Kwapil, T.R. (2008). The expression of adult AD/HD symptoms in daily life: An application of experience sampling methodology. Journal of Attention Disorders, 11, 653-663.

Kane, M.J., Brown, L.E., Little, J.C., Silvia, P.J., Myin-Germeys, I., & Kwapil, T.R. (2007). For whom the mind wanders, and when: An experience-sampling study of working memory and executive control in daily life. Psychological Science, 18, 614-621.